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helpers.go
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helpers.go
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package cli
import (
"errors"
"fmt"
"sort"
"strconv"
"time"
"github.com/dormunis/punch/pkg/models"
"github.com/spf13/viper"
)
type ReportTimeframe string
const (
REPORT_TIMEFRAME_DAY ReportTimeframe = "day"
REPORT_TIMEFRAME_WEEK ReportTimeframe = "week"
REPORT_TIMEFRAME_MONTH ReportTimeframe = "month"
REPORT_TIMEFRAME_YEAR ReportTimeframe = "year"
)
var (
clientName string
dayReport bool
weekReport bool
monthReport string
yearReport string
reportTimeframe *ReportTimeframe
allReport bool
)
func GetSessionsWithTimeframe(timeframe ReportTimeframe) []models.Session {
var slice []models.Session
startDate := getStartDate(timeframe)
endDate := getEndDate(timeframe, startDate)
sessions, err := SessionRepository.GetAllSessionsBetweenDates(startDate, endDate)
if err != nil {
return slice
}
for _, session := range *sessions {
if currentClientName != "" && session.Client.Name != currentClientName {
continue
}
if isWithinTimeframe(*session.Start, startDate, endDate) &&
(session.End == nil || isWithinTimeframe(*session.End, startDate, endDate)) {
slice = append(slice, session)
}
}
return slice
}
func GetRelativeSessionsFromArgs(args []string, clientName string) []models.Session {
var slice []models.Session
session, err := GetSessionByID(args[0])
if err == nil {
slice = append(slice, *session)
return slice
}
startDate, endDate, err := ExtractParsedTimeFromArgs(args, clientName)
if err != nil {
return slice
}
sessions, err := SessionRepository.GetAllSessionsBetweenDates(startDate, endDate)
if err != nil {
return slice
}
for _, session := range *sessions {
if currentClientName != "" && session.Client.Name != currentClientName {
continue
}
if isWithinTimeframe(*session.Start, startDate, endDate) &&
(isWithinTimeframe(*session.End, startDate, endDate) || session.End == nil) {
slice = append(slice, session)
}
}
return slice
}
func GetSessionByID(id string) (*models.Session, error) {
sessionId, err := strconv.ParseUint(id, 10, 32)
if err != nil {
return nil, err
}
session, err := SessionRepository.GetSessionByID(uint32(sessionId))
if err != nil {
return nil, err
}
return session, nil
}
func FilterSessionsByClient(sessions *[]models.Session, clientName string) *[]models.Session {
if clientName == "" {
return sessions
}
var filteredSessions []models.Session
for _, session := range *sessions {
if session.Client.Name == clientName {
filteredSessions = append(filteredSessions, session)
}
}
return &filteredSessions
}
func SortSessions(slice *[]models.Session, descending bool) {
sort.SliceStable(*slice, func(i, j int) bool {
prevSession := (*slice)[i]
nextSession := (*slice)[j]
if descending {
return prevSession.Start.After(*nextSession.Start)
} else {
return prevSession.Start.Before(*nextSession.Start)
}
})
}
func ExtractTimeframeFromFlags() (*ReportTimeframe, error) {
timeFlagCount := getAmountOfTimeFilterFlags()
if timeFlagCount > 1 {
return nil, errors.New("only one of --day, --week, --month, --year or --all can be set")
}
reportTimeframe := REPORT_TIMEFRAME_DAY
if dayReport {
reportTimeframe = REPORT_TIMEFRAME_DAY
} else if weekReport {
reportTimeframe = REPORT_TIMEFRAME_WEEK
} else if monthReport != "" {
if err := validateMonth(monthReport); err != nil {
return nil, err
}
reportTimeframe = REPORT_TIMEFRAME_MONTH
} else if yearReport != "" {
if err := validateYear(yearReport); err != nil {
return nil, err
}
reportTimeframe = REPORT_TIMEFRAME_YEAR
}
return &reportTimeframe, nil
}
func ExtractParsedTimeFromArgs(args []string, clientName string) (time.Time, time.Time, error) {
var parsedTime time.Time
var endTime time.Time
var err error
var client *models.Client
if len(args) == 0 {
parsedTime = time.Now()
} else {
if clientName == "" {
client, err = ClientRepository.SafeGetByName(clientName)
if err != nil {
return time.Time{}, time.Time{}, err
}
}
parsedTime, endTime, err = ExtractTime(args[0], client)
if err != nil {
return time.Time{}, time.Time{}, fmt.Errorf("invalid time format")
}
}
return parsedTime, endTime, nil
}
func GetClientIfExists(name string) error {
defaultClient := viper.GetString("settings.default_client")
if defaultClient != "" && currentClientName == "" {
currentClientName = defaultClient
}
var err error
currentClient, err = ClientRepository.SafeGetByName(currentClientName)
if err != nil {
return err
}
if currentClient == nil && currentClientName != defaultClient {
return fmt.Errorf("Client `%s` does not exist", currentClientName)
} else if currentClient == nil && currentClientName == defaultClient {
return fmt.Errorf("Set `%s` as default client, but it doesn't exists",
currentClientName)
}
return nil
}
func isWithinTimeframe(date time.Time, startDate time.Time, endDate time.Time) bool {
return date.After(startDate) && date.Before(endDate)
}
func getStartDate(timeframe ReportTimeframe) time.Time {
today := time.Now()
year, _, _ := today.Date()
if allReport {
return time.Time{}
}
switch timeframe {
case REPORT_TIMEFRAME_DAY:
return time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, today.Location())
case REPORT_TIMEFRAME_WEEK:
daysToSubtract := int(today.Weekday())
return time.Date(today.Year(), today.Month(), today.Day()-daysToSubtract, 0, 0, 0, 0, today.Location())
case REPORT_TIMEFRAME_MONTH:
mo, err := parseMonth(monthReport)
if err == nil {
return time.Date(year, mo, 1, 0, 0, 0, 0, today.Location())
}
case REPORT_TIMEFRAME_YEAR:
yr, err := parseYear(yearReport)
if err == nil {
return time.Date(yr, time.January, 1, 0, 0, 0, 0, today.Location())
}
}
// default to current day
return today.AddDate(0, 0, -today.Day()+1)
}
func getEndDate(timeframe ReportTimeframe, startDate time.Time) time.Time {
year, _, _ := startDate.Date()
switch timeframe {
case REPORT_TIMEFRAME_YEAR:
yr, err := parseYear(yearReport)
if err == nil {
return time.Date(yr, time.December, 31, 0, 0, 0, 0, startDate.Location())
}
case REPORT_TIMEFRAME_MONTH:
mo, err := parseMonth(monthReport)
if err == nil {
lastDay := lastDayOfMonth(year, mo)
return time.Date(year, mo, lastDay, 0, 0, 0, 0, startDate.Location()).Add(24 * time.Hour)
}
}
// default to now
return time.Now()
}
func parseMonth(monthStr string) (time.Month, error) {
monthInt, err := strconv.Atoi(monthStr)
if err != nil {
return 0, err
}
if monthInt < 1 || monthInt > 12 {
return 0, fmt.Errorf("invalid month")
}
return time.Month(monthInt), nil
}
func parseYear(yearStr string) (int, error) {
return strconv.Atoi(yearStr)
}
func lastDayOfMonth(year int, month time.Month) int {
if month > 12 {
year += 1
}
month = month%12 + 1
return time.Date(year, month, 0, 0, 0, 0, 0, time.UTC).Day()
}
func getAmountOfTimeFilterFlags() int8 {
flags := []bool{
dayReport,
weekReport,
monthReport != "",
yearReport != "",
allReport}
setFlags := 0
for _, flag := range flags {
if flag {
setFlags++
}
}
return int8(setFlags)
}
func validateMonth(month string) error {
monthInt, err := strconv.Atoi(month)
if err != nil {
return errors.New("invalid month format")
}
if monthInt < 1 || monthInt > 12 {
return errors.New("invalid month format")
}
return nil
}
func validateYear(year string) error {
yearInt, err := strconv.Atoi(year)
if err != nil {
return errors.New("invalid year format")
}
currentYear := time.Now().Year()
if yearInt < 1970 || yearInt > currentYear {
return errors.New("invalid year format")
}
return nil
}